Designed with a focus on field efficiency

This universal probe features a high-grade Kanthal sensor rod designed to withstand sustained exposure up to 1800°F (982°C) without degradation

including the F-series and B-series units like the F100

allowing for precise management of multiple heating or cooling stages

It maintains the same 62 lb-in torque rating and wiring configuration

Carrier HH18HA504 Limit Switch Freon Designed with a focus onThe Carrier HH18HA504 Limit Switch is a critical OEM replacement part designed for high limit temperature monitoring in HVAC furnaces. This automatic reset limit switch is engineered to open the burner control circuit when internal plenum temperatures reach the 180F to 220F threshold, effectively preventing heat exchanger damage and ensuring safe operational cycles. As a specialized furnace safety switch, this component features a cut out temperature